Fig. 1From: Clinico-pathologic relationships with Ki67 and its change with short-term aromatase inhibitor treatment in primary ER + breast cancer: further results from the POETIC trial (CRUK/07/015)Consort diagram of available samples. Fewer surgical samples from control patients were analysed because little extra value was expected from multiple samples in the absence of treatment. A subset of one-third of control patients were selected at random for analysis, while all patients in the treatment group were analysed; this led to 7/9 samples from the whole trial being analysedBack to article page